WinPearl offers its 9mm White Freshwater Pearl Necklace for $19.99. Coupon code "dealnews25" drops it to $14.99. With free shipping, that's the lowest total price we could find for such a necklace by $6. It measures approximately 17" and features white AA quality pearls and a white gold plated clasp. Deal ends December 31.
Note: It's not guaranteed for delivery by Christmas.